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PRODUCT
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The PRODUCT() aggregate function is an aggregate function that calculates the product of all values in the group, similar to how the SUM function calculates the sum.
SELECT product(ID) FROM BOOK
create.select(product(BOOK.ID))
.from(BOOK)
Producing:
+---------+ | product | +---------+ | 24 | +---------+
Dialect support
This example using jOOQ:
product(BOOK.ID)
Translates to the following dialect specific expressions:
Access
(SWITCH(sum( SWITCH(BOOK.ID = 0, 1) ) > 0, 0, (sum( SWITCH(BOOK.ID < 0, -1) ) MOD 2) < 0, -1, TRUE, 1) * exp(sum(log(abs(iif(BOOK.ID = 0, NULL, BOOK.ID))))))
ASE
(CASE
WHEN sum(
CASE BOOK.ID
WHEN 0 THEN 1
END
) > 0 THEN 0
WHEN (sum(
CASE
WHEN BOOK.ID < 0 THEN -1
END
) % 2) < 0 THEN -1
ELSE 1
END * exp(sum(log(abs(nullif(BOOK.ID, 0))))))
Aurora MySQL, Aurora Postgres, BigQuery, ClickHouse, DB2, Firebird, H2, HSQLDB, Hana, MariaDB, MemSQL, MySQL, Oracle, Postgres, Snowflake, Sybase, Trino, Vertica, YugabyteDB
(CASE
WHEN sum(
CASE BOOK.ID
WHEN 0 THEN 1
END
) > 0 THEN 0
WHEN mod(
sum(
CASE
WHEN BOOK.ID < 0 THEN -1
END
),
2
) < 0 THEN -1
ELSE 1
END * exp(sum(ln(abs(nullif(BOOK.ID, 0))))))
CockroachDB
(CASE
WHEN sum(
CASE BOOK.ID
WHEN 0 THEN 1
END
) > 0E0 THEN 0
WHEN mod(
sum(
CASE
WHEN BOOK.ID < 0 THEN -1
END
),
2
) < 0E0 THEN -1
ELSE 1
END * exp(sum(ln(CAST(abs(nullif(BOOK.ID, 0)) AS numeric)))))
Derby
(CASE
WHEN sum(
CASE
WHEN BOOK.ID = 0 THEN 1
END
) > 0 THEN 0
WHEN mod(
sum(
CASE
WHEN BOOK.ID < 0 THEN -1
END
),
2
) < 0 THEN -1
ELSE 1
END * exp(sum(ln(abs(nullif(BOOK.ID, 0))))))
DuckDB
product(BOOK.ID)
Exasol
mul(BOOK.ID)
Informix
(CASE
WHEN sum(
CASE BOOK.ID
WHEN 0 THEN 1
END
) > 0 THEN 0
WHEN mod(
sum(
CASE
WHEN BOOK.ID < 0 THEN -1
END
),
2
) < 0 THEN -1
ELSE 1
END * exp(sum(logn(abs(nullif(BOOK.ID, 0))))))
Redshift
(CASE
WHEN sum(
CASE BOOK.ID
WHEN 0 THEN 1
END
) > 0 THEN 0
WHEN (sum(
CASE
WHEN BOOK.ID < 0 THEN -1
END
) % 2) < 0 THEN -1
ELSE 1
END * exp(sum(ln(abs(nullif(BOOK.ID, 0))))))
SQLDataWarehouse, SQLServer
(CASE
WHEN sum(
CASE BOOK.ID
WHEN 0 THEN 1
END
) > CAST(0 AS decimal(1)) THEN 0
WHEN (sum(
CASE
WHEN BOOK.ID < 0 THEN -1
END
) % 2) < CAST(0 AS decimal(1)) THEN -1
ELSE 1
END * exp(sum(log(abs(nullif(BOOK.ID, 0))))))
Teradata
(CASE
WHEN sum(
CASE BOOK.ID
WHEN 0 THEN 1
END
) > 0 THEN 0
WHEN (sum(
CASE
WHEN BOOK.ID < 0 THEN -1
END
) MOD 2) < 0 THEN -1
ELSE 1
END * exp(sum(ln(abs(nullif(BOOK.ID, 0))))))
SQLite
/* UNSUPPORTED */
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